This drama is a youth love comedy about four men and women. The beautiful girl Yuling (played by Lee Da-hae) is a tour guide of a travel company. She is warm, generous and "scheming"; Gongcan (played by Lee Dong-wook) is a rich boy, handsome and unrestrained, a typical diamond bachelor; Shixian (played by Park Shi-yeon) is a famous Korean beauty tennis player and Gongcan's ex-girlfriend. After leaving her boyfriend two years ago to compete abroad, she has achieved great results and is about to return to China; Zhengyu (played by Lee Joon-ki) is a playboy who plays with the world and is unruly by nature. Yuling, Zhengyu and Gongcan, who had never met before, met separately, and a love farce unfolded.